Slip Rings PRG

Slip Ring PRG-90 Series

PRG-90

Ravioli Slip Ring Type PRG – provided without housing – is available in a large number of different versions and executions from 90mm to 350mm diameter. This specific feature allows the users to avail themselves of a wide internal passage combined with a nominal voltage which goes from a few tens to some hundreds Amperes.
Blade or copper-graphite or silver-graphite brushes for signals are available, executions range from 4 to 36 rings 20/30/50/80/120/200 A.

This Ravioli Slip Ring PRG is specifically suitable for applications that requires high voltages and optional central passages for tubes, wires or metallic shafts.


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Main Features

  • Execution Without housing. It is necessary that housing has to be realized by end user according to the armonized rules to ensure an appropriate protection
  • Positioning Vertical axis
  • Inside passage 42mm diameter trough steel pipe for the passage of cable, hoist rope, hydraulic pipes or piston shaft.
  • Connections Directly on the terminal box for the rings and on the brush-holders clamps.
  • Brushes 50 A blade or copper-graphite
  • Executions From 4 to 14 rings 50 A

Electrical Features

  • Rated Voltage 660 V ac - dc
  • Rated Current Ith 50 A
  • Degree protection IP 00
  • Maximum speed 30 rpm
  • Test Voltage 2,5 kV
  • Operating Temperature - 20 °C + 60 °C

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